2108177555

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 2921909760

約数和(自身を除く): 813732205

約数列:

[1, 5, 11, 43, 53, 55, 121, 139, 215, 265, 473, 583, 605, 695, 1331, 1529, 2279, 2365, 2915, 5203, 5977, 6413, 6655, 7367, 7645, 11395, 16819, 25069, 26015, 29885, 32065, 36835, 57233, 65747, 70543, 81037, 84095, 125345, 185009, 275759, 286165, 316781, 328735, 352715, 405185, 723217, 891407, 925045, 1378795, 1583905, 3033349, 3484591, 3616085, 4457035, 7955387, 9805477, 15166745, 17422955, 38330501, 39776935, 49027385, 191652505, 421635511, 2108177555]

約数ペア:

[(1, 2108177555), (5, 421635511), (11, 191652505), (43, 49027385), (53, 39776935), (55, 38330501), (121, 17422955), (139, 15166745), (215, 9805477), (265, 7955387), (473, 4457035), (583, 3616085), (605, 3484591), (695, 3033349), (1331, 1583905), (1529, 1378795), (2279, 925045), (2365, 891407), (2915, 723217), (5203, 405185), (5977, 352715), (6413, 328735), (6655, 316781), (7367, 286165), (7645, 275759), (11395, 185009), (16819, 125345), (25069, 84095), (26015, 81037), (29885, 70543), (32065, 65747), (36835, 57233)]